Design of an omega filter for a 200 kV electron microscope

Tsuno, K.; Munro, E.
January 1997
Review of Scientific Instruments;Jan1997, Vol. 68 Issue 1, p109
Academic Journal
Describes the design of an omega filter for a 200 kV electron microscope. Kinds of prism-type imaging energy filters for electron microscopes; Calculations; Fringing fields and the central axis; Paraxial trajectories.


Related Articles

  • 1-MHZ filter IC requires no external components. Granville, Fran; Schweber, Bill // EDN;08/01/97, Vol. 42 Issue 16, p18 

    Presents information on the LT1560-1 lowpass filter which requires no external components. Information on the operation of the filter; Cost of the device.

  • Water content dynamics in biofiltration: The role of humidity and microbial heat generation. Gostomski, Peter A.; Sisson, James B. // Journal of the Air & Waste Management Association (Air & Waste M;Sep97, Vol. 47 Issue 9, p936 

    Presents a study on the role of humidity and microbial heat generation in biofiltration water content dynamics. Mechanisms of water content changes; Bed material; Gravimetric water content; On-line moisture content; Gravimetric drying experiments; Toluene analysis; Temperature; Gas streams;...

  • Finding the best screen media. Kuhar, Mark S. // Pit & Quarry;Jul97, Vol. 90 Issue 1, p48 

    Examines factors to consider in choosing the appropriate media for screening aggregates. Wire cloth versus rubber screen; Material abrasiveness; Material size; Moisture content; Noise level; Comparative cost to production.

  • New filter warns of unusual fluid conditions.  // Chemical Business;Jul96, Vol. 9 Issue 12, p49 

    Features Hycon's RF-2 automatic backflush filters equipped with on-board diagnostics that warn of unusual fluid conditions.

  • Coolant filters optimize fabric consumption.  // Modern Machine Shop;Feb96, Vol. 68 Issue 9, p232 

    Features Losma Inc.'s line of coolant filters. Sensor system; Specifications.

  • Roll-up filter.  // Modern Machine Shop;Oct96, Vol. 69 Issue 5, p266 

    Features Industrial Filters Co.'s roll-up filters. Capacity; Contact information.

  • What you should know about filters.  // Pit & Quarry;Jun96, Vol. 88 Issue 12, p42 

    Provides tips for filters. Meeting the filter requirements of equipments; Feature evaluation; Flow geometry; Important parts and components; Filter performance.

  • Brass filter cleans up machining coolants.  // Machine Design;10/10/96, Vol. 68 Issue 18, p124 

    Features the filter system used in the Biocon coolant-treatment process from Fluid Treatment Systems which rids of contaminants from coolants. Features of the process; Advantages; Features of the brass filter used in the process.

  • Developments in filtration. Bas, Ed // Engineered Systems;Sep95, Vol. 12 Issue 9, p72 

    Looks at developments in the evaluation and comparison of filter systems. Total lifecycle cost; Efficiency rating; Resistance to airflow; Consideration of the additional features of filters; Reusability; Anti-microbial coatings.


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics